Higher Central Extensions in Mal’tsev Categories

Everaert, Thomas
(2014) Applied Categorical Structures : a journal devoted to applications of categorical methods in algebra, analysis, order, topology and computer science — Vol. 22, n° 5-6, p. 961-979 (2014)

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  • Everaert, ThomasUCLouvain
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Abstract
Higher dimensional central extensions of groups were introduced by G. Janelidze as particular instances of the abstract notion of covering morphism from categorical Galois theory. More recently, the notion has been extended to and studied in arbitrary semi-abelian categories. Here, we further extend the scope to exact Mal’tsev categories and beyond...
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Everaert, T. (2014). Higher Central Extensions in Mal’tsev Categories. Applied Categorical Structures : a journal devoted to applications of categorical methods in algebra, analysis, order, topology and computer science, 22(5-6), 961-979. https://doi.org/10.1007/s10485-013-9351-6 (Original work published 2014)